US Patent 7821221 Two-phase permanent magnet motor

Patent 7821221 was granted and assigned to Grundfos on October, 2010 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Grundfos

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

78212210

Patent Inventor Names

Bjarne Henriksen0

Henrik Kragh0

Date of Patent

October 26, 2010

Patent Application Number

118159790

Date Filed

January 24, 2006

Patent Primary Examiner

‌

Rina I Duda

Patent abstract

The invention relates to a two-phase permanent magnet motor which is controlled by a frequency converter. The frequency converter is advantageously provided with a three-phase inverter having six switches that are controlled in such a manner as to minimize switching losses.

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